I-Alloy 925 iyi-alloy esekwe ku-nickel enokungezwa okukhulu kwe-iron ne-chromium, kodwa futhi ne-molybdenum, ithusi, i-titanium ne-aluminium. Inhlanganisela yamandla aphezulu nokuphikiswa kokugqwala yenza ilungele izinhlelo zokusebenza ezinjengama-valves, ama-hanger, amaphakethe namapayipi ezindaweni ezihlonishwayo zegesi. Ingase futhi isetshenziselwe ama-fasteners kanye nemisele yepompo ezindaweni zasolwandle.
Inhlanganisela ye-nickel ne-chromium ihlinzeka ngokuvikelwa ku-oxidizing kanye nokunciphisa amazulu. Okuqukethwe okuphezulu kwe-nickel kubuye kunikeze ukumelana ne-chloride ion ukuxabana kokugqwayiza kwengcindezelo. Ukumelana nokugqwala okukhonkotha kanye ne-crevice nakho kuhle kakhulu. I-alloy ikhiqizwa inqubo yokukhumbula i-vacuum, kepha ingahlinzekwa ngokusebenzisa umoya ukuncibilikisa i-electrode (var noma eSR) umkhuba uma imvume yezinto ezibonakalayo Imvume.